Perhaps you should try some spelling variations:
"python missing data snippets" » "python using data snippets"
"locating bug core snippets" » "locating bug code snippets"
"dan ve ho snippets" » "dan ve code snippets", "ban ve ho snippets", "dan va ho snippets", "dan viet ho snippets", "dan ve hop snippets", "dan ve cho snippets", "dan ve hoa snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan ve ho snippets") OR ("python missing data snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dan ve ho snippets ) or ( python missing data snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dan ve ho snippets") or ("python missing data snippets"))) or ("locating bug core snippets"))*.